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  • Title: Examination of serum pepsinogen in functional dyspepsia.
    Author: Tahara T, Shibata T, Okubo M, Yamashita H, Yoshioka D, Yonemura J, Maruyama N, Kamano T, Kamiya Y, Fujita H, Nakagawa Y, Nagasaka M, Iwata M, Yamada H, Nakamura M, Arisawa T, Hirata I.
    Journal: Hepatogastroenterology; 2012; 59(120):2516-22. PubMed ID: 23178618.
    Abstract:
    BACKGROUND/AIMS: Although serum pepsinogen (PG) is considered as a marker of gastric atrophy, it also reflects gastric acid secretion, which closely influences dyspeptic symptoms. We investigated serum PG levels and PGI/PGII ratios in dyspeptic patients, in relation to various different subtypes of symptoms including Rome III classifications. METHODOLOGY: Serum PGs were measured in 75 subjects with dyspeptic symptoms and 42 asymptomatic healthy subjects. RESULTS: PG II level was significantly higher (p=0.0001) and PG I/II ratio was significantly lower (p<0.0001) in subjects with H. pylori infection than those without, while no associations were found between PG levels and usage of H2 receptor antagonists or proton-pump inhibitors. In all subjects with pain in stomach, abdominal bloating and PDS-like symptoms according to Rome III criteria, presented significantly higher levels of PGI, compared to subjects without symptoms (p=0.043, 0.015 and 0.037, respectively). In addition, burning sensation and abdominal pain presented significantly higher PGI/II ratios (p=0.0005 and 0.003, respectively), and higher PGI/II ratio was also positively correlated with a number of symptoms (p=0.04). When subjects were divided according to H. pylori infection status, higher PGI/II ratio was significantly associated with abdominal pain in H. pylori negative subjects (p=0.03), while higher PGI level was significantly associated with functional esophageal disorders (FEG) according to Rome III criteria, and higher number of dyspeptic symptoms in H. pylori positive subjects (p=0.016). CONCLUSIONS: Our data suggest that subjects with higher PGI level, and PG I/II ratio are more likely to develop several dyspeptic symptoms.
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